Cye is a clone of Kye, a Boulderdash-like game. It has 26 levels, 5 of them are two-player levels. The demo version has 9 levels (including all two-player levels).

Cye contains 8 Irish tunes: The Banks of The Black Water, Down by the River Side, Good Morning Fair Maid, At Midnight Hour, The Monks of the Screw, The Mourne Shore, The Pretty Girls of Ballymena, The Shamrock Shore.

http://colecovision.eu/ColecoVision/games/Cye.shtml